Symptom
Probable cause and checking
procedure
Solution
Refer-
ence
page
The oil pressure is low 8. Excessive oil clearance of
rocker arm
Replace 4-33
9. The oil passage is clogged Clean -
10. The type of oil used is incor-
rect
Use the specified type of oil 3-1
11. The oil pump is damaged Replace 4-72
4-57
4-73
The oil pressure is high 1. The type of oil used is incor-
rect
Use the specified type of oil 3-1
2. The relief valve is damaged Replace -
The engine is overheated 1. The engine oil is not sufficient Fill oil to the specified amount 3-6
2. The fan belt is broken or the
fan belt tension is too loose
Replace or adjust 3-13
3. The coolant is not sufficient Fill to the specified amount -
4. The radiator net and the radia-
tor fin are clogged with dust
Clean -
5. There is corrosion in the inner
side of the radiator
Clean or replace -
6. There is clogged in the coolant
flow route
Clean or replace -
7. The radiator or radiator cap is
damaged
Replace 4-20
8. The load is too much Reduce the load -
9. The head gasket is damaged Replace 4-34
10. Incorrect injection timing Adjust 3-17
11. The fuel used is incorrect Replace the specified fuel 3-1
The battery discharges quickly 1. The battery electrolyte is not
suf
ficient
Fill distilled water and charge 3-10
2.The fan belt slips Adjust belt tension or replace 3-13
3.The wiring is disconnected
Connect -
4.The rectifier is damaged
Replace -
5.The alternator is damaged Replace -
6.The battery is damaged Replace -
4. ENGINE
SERVICING
1. Troubleshooting
05-E4B SERIES,05-E4BG SERIES